#include "iostream"
using namespace std;

int sck_duan(){
    int a = 1;
    return *(char*)&a;
}
int main()
{
    int ret = sck_duan();
    if(ret == 1)
        cout << "da duan" << endl;
    else
       cout << "xiao duan" << endl;
    return 0;
}
